Infrared heater



FIG. 1 is a front, left and top perspective view of an infrared heater showing my design.

FIG. 2 is a rear, right and bottom perspective view of an infrared heater showing my design.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left-side elevation view thereof.

FIG. 6 is a right-side elevation view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are included for the purposes of illustrating portions of the infrared heater that form no part of the claimed design. 

CLAIM The ornamental design for an infrared heater, as shown and described. 